From: Mike Campbell Date: 2003-02-03T21:54:36+09:00 Subject: Re: Encryption > Um... if it's private, don't put it in a publicly-viewable table, even > if it is encrypted.... > > Have each student create a public/private key set with gpg. Then post the > keys on a key server. You publish the grades by sending them a message > encrypted with the public key. The student decrypts it with the private > key. > > That would, however, be a simply MAHVELOUS class to implement in Ruby. > > Ted, long-time member of the American Cryptogram Association. Many professors in the college I attended went even further...in the opposite direction. It made the presumption that only YOU knew your SSN, so it posted grades in plaintext. Only you knew your SSN so only you would know which of the 'n' grades up there was yours. Sure, you could see everyone elses, but had no idea whos was whos.